Butternut - Leaf


The leaves of butternut are alternate and pinnately compound. They are composed of 11 to 19 leaflets, each being 2 to 5 inches long. The midvein of the leaf (where the leaflets attach) is hairy.

The margins of butternut leaves are singly toothed.

Black walnut leaves generally have more leaflets (15-23) compared to butternut (11-19). The leaflet size is of black walnut is typically smaller than butternut. Also butternut leaves are hairy on their midvein, while black walnut is hairless.

Butternut and English walnut have the same general leaf shape. They differ in the number of leaflets, butternut has 11-19 leaflets, while English walnut has only 5-9. Also, butternut has a toothed margin, while the leaf margin of the English walnut is entire.


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© 2000 Rosie Lerner, Purdue University